AN3955 datasheet(13/68 Pages) STMICROELECTRONICS

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AN3955

CR95HF low level layer

Doc ID 022017 Rev 1

13/68

CR95HF low level layer

For a brief description of CR95HF, refer to Section 3.1: CR95HF overview.

This layer is composed of:

●

the lib_CR95HF.c source file

●

the lib_CR95HF.h include file

4.1

Types

The CR95HF library functions use the following ANSI C compliant types:

typedef

unsigned char

uint8_t;

typedef

signed char

int8_t;

typedef

const uint8_t

uc8;

typedef

signed short int

int16_t;

4.2

Definition

The layer supports all the commands defined in the CR95HF datasheet. Each CR95HF

command corresponds to a specific function. As an example, the function calling the ECHO

command is int8_t CR95HF_Echo (uint8_t *pResponse).

Additional functions are described in Table 3: CR95HF layer additional functions.

Application developers can use the functions described in Table 2: CR95HF layer functions

based on CR95HF commands to create their own higher level functions.

For more details about commands, refer to the CR95HF datasheet.

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